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typeracer

Pit Stop
Racer Alexa (kris394alex)
Race Number 33
Date Mon, 11 Feb 2019 13:00:19
Speed 39 WPM Try to beat?
Accuracy 97.9%
Rank 2nd place (out of 5)

Text typed:

The second (s) is the duration of 9192631770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium-133 atom.
— (book) by Theodore Wildi (see stats)

Typing Review: